CN105047123B - Display drive method, display drive apparatus and display device - Google Patents
Display drive method, display drive apparatus and display device Download PDFInfo
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- CN105047123B CN105047123B CN201510575081.2A CN201510575081A CN105047123B CN 105047123 B CN105047123 B CN 105047123B CN 201510575081 A CN201510575081 A CN 201510575081A CN 105047123 B CN105047123 B CN 105047123B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2003—Display of colours
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2011—Display of intermediate tones by amplitude modulation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/023—Display panel composed of stacked panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0413—Details of dummy pixels or dummy lines in flat panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
- G09G3/2081—Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of display drive method, display drive apparatus and display device.The display drive method includes detection display panel and shows that corresponding voltage changes degree during picture to be shown using different cabling modes；Compare the size that the voltage detected changes degree；If the voltage for comparing minimum changes degree, control the display panel to use cabling mode corresponding with the minimum voltage change degree according to comparative result, and the picture to be shown is shown by the corresponding source voltage of cabling mode corresponding with minimum voltage change degree.The present invention, which is realized, makes display panel with the relatively low different types of picture of power consumption display, and then greatly reduces the power consumption of display panel.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display drive method, display drive apparatus and display dress
Put.
Background technology
At present, for the driving process of display panel, source electrode line quantity can be saved using BV3 algorithms, reach compared with
High resolution ratio.But, BV3 algorithms need to can be only achieved good display effect on display panel using special cabling mode
Really.
There are two kinds of cabling modes in the prior art, the first cabling mode is each source electrode line connection in display panel
The mode of the sub-pix of different colours, the second cabling mode connects the sub- picture of same color for each source electrode line in display panel
The mode of element.When using the first cabling mode when, display pure color picture when power consumption it is relatively low but show other pictures when power consumption compared with
It is high；When using second of cabling mode, power consumption is relatively low when showing other pictures but power consumption is higher when showing pure color picture.Cause
This, also enables to display panel power consumption when showing different types of picture relatively low without a kind of scheme in the prior art.
The content of the invention
The present invention provides a kind of display drive method, display drive apparatus and display device, makes display panel for realizing
With the relatively low different types of picture of power consumption display, and then reduce the power consumption of display panel.
To achieve the above object, the invention provides a kind of display drive method, including：
Detection display panel shows that corresponding voltage changes degree during picture to be shown using different cabling modes；
Compare the size that the voltage detected changes degree；
If the voltage for comparing minimum changes degree, the display panel is controlled to use and the minimum according to comparative result
Voltage change the corresponding cabling mode of degree, it is and corresponding by changing the corresponding cabling mode of degree with the minimum voltage
Source voltage shows the picture to be shown.
Alternatively, the quantity of the cabling mode is two, and two cabling modes are walked including the first cabling mode and second
Line mode；
The detection display panel shows that corresponding voltage changes degree during picture to be shown using different cabling modes
Including：Detection display panel shows that corresponding first voltage changes degree and inspection during picture to be shown using the first cabling mode
Survey display panel and show that corresponding second voltage changes degree during the picture to be shown using the second cabling mode；
The size for comparing the voltage change degree detected includes：Compare the first voltage change degree be more than or
Person is less than the second voltage and changes degree；
If the voltage for comparing minimum changes degree, the display panel is controlled to use and this according to comparative result
Minimum voltage changes the corresponding cabling mode of degree, and passes through cabling mode pair corresponding with minimum voltage change degree
The source voltage answered shows that the picture to be shown includes：It is more than the described second electricity if comparing the first voltage and changing degree
When pressing change degree, control the display panel using the second cabling mode according to comparative result and by with second cabling
The corresponding source voltage of mode shows the picture to be shown；And if comparing the first voltage change degree less than described
When second voltage changes degree, control the display panel using the first cabling mode according to comparative result and by with described the
The corresponding source voltage of one cabling mode shows the picture to be shown.
Alternatively, first cabling mode is the sub-pix of each source electrode line connection different colours in display panel
Mode, second cabling mode connects the mode of the sub-pix of same color for each source electrode line in display panel.
Alternatively, the voltage changes degree and included：The upset number of times and the upset amplitude of source voltage of source voltage.
Alternatively, the size for comparing the voltage change degree detected includes：Compare display panel using different
Cabling mode shows the size of the upset number of times of corresponding source voltage during picture to be shown；Or, compare display panel use
Different cabling modes shows the size of the upset number of times of corresponding source voltage during picture to be shown, if comparing display panel
The upset number of times of corresponding source voltage is identical when showing picture to be shown using different cabling modes, compares display panel and adopts
The size of the upset amplitude of corresponding source voltage when showing picture to be shown with different cabling modes；
The voltage for comparing minimum, which changes degree, to be included：Compare the upset number of times of the source voltage of minimum；Or,
If comparing the upset number of times that display panel uses different cabling modes to show corresponding source voltage during picture to be shown
It is identical, compare the upset amplitude of the source voltage of minimum.
To achieve the above object, the invention provides a kind of display drive apparatus, including：
Detection module, corresponding voltage during for detecting that display panel shows picture to be shown using different cabling modes
Change degree；
Comparison module, the voltage detected for comparing changes the size of degree；
Output module, if for the comparison module compare minimum voltage change degree, output comparative result and
Source voltage corresponding with the cabling mode；
Drive module, journey is changed for controlling the display panel to use according to the comparative result with the minimum voltage
Corresponding cabling mode is spent, and is shown by the corresponding source voltage of cabling mode corresponding with minimum voltage change degree
The picture to be shown.
Alternatively, the quantity of the cabling mode is two, and two cabling modes are walked including the first cabling mode and second
Line mode；
The correspondence when detection module shows picture to be shown specifically for detection display panel using the first cabling mode
First voltage change degree and detection display panel show corresponding during the picture to be shown using the second cabling mode
Second voltage changes degree；
The comparison module changes degree specifically for relatively more described first voltage and is more than or less than the second voltage
Change degree；
Comparative result of the output module specifically for the output comparison module；
If the drive module compares the first voltage specifically for the comparison module changes degree more than described
When second voltage changes degree, control the display panel using the second cabling mode according to comparative result and by with described the
The corresponding source voltage of two cabling modes shows the picture to be shown；And if the comparison module compares first electricity
When pressing change degree less than second voltage change degree, the display panel is controlled to use the first cabling according to comparative result
Mode simultaneously shows the picture to be shown by source voltage corresponding with first cabling mode.
Alternatively, the detection module, the comparison module and the output module are integrated in application processor.
Alternatively, the drive module includes：
Submodule is switched, is changed for controlling the display panel to use according to the comparative result with the minimum voltage
The corresponding cabling mode of degree；
Submodule is driven, for showing the picture to be shown by source voltage corresponding with the cabling mode.
To achieve the above object, the invention provides a kind of display device, including：Display panel and above-mentioned display driving dress
Put；
The display panel includes mutually insulated between multiple routing layers, routing layer, and each routing layer forms a kind of cabling
Mode.
Alternatively, the quantity of the routing layer is two, and two routing layers include the first routing layer and the second routing layer, institute
State the first routing layer the first cabling mode of formation, the second cabling mode of the second routing layer formation；
The display drive apparatus uses above-mentioned display drive apparatus.
The invention has the advantages that：
In display drive method, display drive apparatus and display device that the present invention is provided, detection display panel is not using
Same cabling mode shows that corresponding voltage changes degree during picture to be shown, and the voltage for comparing minimum changes degree, according to
Comparative result control display panel is used changes the corresponding cabling mode of degree with the minimum voltage, and by with the minimum
Voltage changes the corresponding source voltage of the corresponding cabling mode of degree and shows picture to be shown, it is achieved thereby that make display panel with
The different types of picture of relatively low power consumption display, and then greatly reduce the power consumption of display panel.
Brief description of the drawings
Fig. 1 is a kind of flow chart for display drive method that the embodiment of the present invention one is provided；
Fig. 2 is a kind of flow chart for display drive method that the embodiment of the present invention two is provided；
Fig. 3 is the schematic diagram of the first cabling mode of display panel in embodiment two；
Fig. 4 is the schematic diagram of the second cabling mode of display panel in embodiment two；
Fig. 5 is the schematic diagram of the corresponding source voltage of the first cabling mode in Fig. 3；
Fig. 6 is the schematic diagram of the corresponding source voltage of the first cabling mode in Fig. 4；
Fig. 7 is a kind of structural representation for display drive apparatus that the embodiment of the present invention three is provided.
Embodiment
To make those skilled in the art more fully understand technical scheme, the present invention is carried below in conjunction with the accompanying drawings
Display drive method, display drive apparatus and the display device of confession are described in detail.
Fig. 1 is a kind of flow chart for display drive method that the embodiment of the present invention one is provided, as shown in figure 1, this method bag
Include：
Step 101, detection display panel show that corresponding voltage changes during picture to be shown using different cabling modes
Degree.
In the present embodiment, display panel includes mutually insulated between multiple routing layers, routing layer, each routing layer formation one
Cabling mode is planted, therefore display panel has multiple cabling modes.Wherein, cabling mode refers to source electrode line connection sub-pix
Mode.Display panel shows that corresponding voltage changes degree difference during picture to be shown using different cabling modes, correspondingly,
Display panel shows that the power consumption consumed during picture to be shown is also different, and voltage change degree is smaller, and the power consumption consumed is smaller.Cause
This, it is necessary to first carry out step 101 before determining which kind of moves towards mode using.Preferably, voltage changes degree and included：Source electrode
The upset number of times and the upset amplitude of source voltage of voltage.One picture to be shown may include a frame or multiframe picture.Holding
A frame picture in the picture to be shown can be previously generated when showing picture to be shown using different cabling modes before row step 101
Source voltage, then detect the upset number of times of source voltage in the frame picture and the upset amplitude of source voltage.Wherein, source
The upset number of times of pole tension overturns the summation of number of times, the upset of source voltage for source voltage on all source electrode lines in the frame picture
Amplitude be when source voltage is overturn each time on all source electrode lines in the frame picture before and after upset between voltage difference absolute value
Sum.Therefore, in the detection process of step 101, the upset number of times of source voltage on each source electrode line is can detect that, then again
By the upset number of times addition of source voltage draws source voltage upset time on all source electrode lines on each source electrode line in a frame picture
Several summations, i.e.,：It detected the upset number of times of the source voltage of picture to be shown；It can detect that on each source electrode line each time
When source voltage is overturn before and after upset between voltage difference absolute value, will turn over when source voltage is overturn each time on the source electrode line
It is poor between voltage before and after upset when the absolute value addition of difference draws source voltage upset on the source electrode line between voltage before and after turning
The absolute value sum of value, then the absolute value sum of difference between front and rear voltage is overturn when source voltage on each source electrode line is overturn
The summation for drawing the absolute value of difference between the front and rear voltage of upset when source voltage is overturn on all source electrode lines is added, i.e.,：Detection
The upset amplitude of the source voltage of picture to be shown is gone out.
Step 102, the size for comparing the voltage change degree detected.
In the present embodiment, a picture to be shown may include a frame or multiframe picture.It is therefore preferred that can be in display
Step 101 and step 102 are performed during the last frame picture of current display picture.
This step is specifically included：Compare display panel and corresponding source during picture to be shown is shown using different cabling modes
The size of the upset number of times of pole tension；Or, compare when display panel shows picture to be shown using different cabling modes pair
The size of the upset number of times for the source voltage answered, if compare display panel shows picture to be shown using different cabling modes
When corresponding source voltage upset number of times it is identical, then compare display panel and picture to be shown shown using different cabling modes
When corresponding source voltage upset amplitude size.
If step 103, when comparing the voltage of minimum and changing degree, controlling the display panel to use according to comparative result
Cabling mode corresponding with minimum voltage change degree, and pass through cabling side corresponding with minimum voltage change degree
The corresponding source voltage of formula shows the picture to be shown.
If showing to compare the voltage change degree of minimum when comparing the upset number of times of the source voltage of minimum, now without
The comparison of the upset amplitude size of source voltage need to be carried out again；Or, if comparing display panel using different cabling modes
Show the upset width for overturning the identical of number of times, then comparing the source voltage of minimum of corresponding source voltage during picture to be shown
Value, this shows that the voltage for comparing minimum changes degree.
Because voltage changes, degree is smaller, and the power consumption consumed is smaller, therefore compares from the voltage change degree detected
The voltage for going out minimum changes degree.When showing same picture to be shown, the corresponding source voltage of different cabling modes is different,
The corresponding source voltage of selection cabling mode corresponding with minimum voltage change degree is needed in this step.
In the display drive method that the present invention is provided, detection display panel shows to be shown draw using different cabling modes
Corresponding voltage changes degree during face, and the voltage for comparing minimum changes degree, controls display panel to use according to comparative result
Cabling mode corresponding with minimum voltage change degree, and pass through cabling side corresponding with minimum voltage change degree
The corresponding source voltage of formula shows picture to be shown, it is achieved thereby that making display panel different types of with relatively low power consumption display
Picture, and then greatly reduce the power consumption of display panel.
Fig. 2 is a kind of flow chart for display drive method that the embodiment of the present invention two is provided, as shown in Fig. 2 this method bag
Include：
Step 201, detection display panel show that corresponding first voltage changes during picture to be shown using the first cabling mode
Change degree and detection display panel show that corresponding second voltage changes during the picture to be shown using the second cabling mode
Degree.
In the present embodiment, the quantity of cabling mode is two, and two cabling modes are walked including the first cabling mode and second
Line mode.Specifically, display panel includes mutually insulated between two routing layers, two routing layers, routing layer formation the
Mode is moved towards in one cabling mode, another routing layer formation second.
Fig. 3 is the schematic diagram of the first cabling mode of display panel in embodiment two, as shown in figure 3, the first cabling mode
For the mode of the sub-pix of each source electrode line connection different colours in display panel.Display panel includes a plurality of gate line and many
Bar source electrode line, gate line and source electrode line, which intersect to limit in pixel cell, pixel cell, sets sub-pix.Wherein, a plurality of gate line
Including gate lines G 1, G2 ..., Gn；A plurality of source electrode line include source electrode line S1, S2 ..., Sm, Sdummy；Source electrode line Sdummy
Free poles line can be used as.The sub-pix of three kinds of colors is set in pixel cell, and the sub-pix of three kinds of colors is red sub- picture
Plain R, green sub-pixels G and blue subpixels B.In addition, setting available free (dummy) electrode D on the periphery of the display panel.Source
Polar curve S1 connection red sub-pixel R and free poles D；Source electrode line S2 connection green sub-pixels G and blue subpixels B；Source electrode line
S3 connection blue subpixels B and red sub-pixel R；By that analogy, source electrode line Sm connection blue subpixels B and red sub-pixel R；
Source electrode line Sdummy connection green sub-pixels G and free poles D.
Fig. 4 is the schematic diagram of the second cabling mode of display panel in embodiment two, as shown in figure 4, the second cabling mode
For the mode of the sub-pix of each source electrode line connection same color in display panel.Display panel includes a plurality of gate line and many
Bar source electrode line, gate line and source electrode line, which intersect to limit in pixel cell, pixel cell, sets sub-pix.Wherein, a plurality of gate line
Including gate lines G 1, G2 ..., Gn；A plurality of source electrode line include source electrode line S1, S2 ..., Sm, Sdummy；Source electrode line Sdummy
Free poles line can be used as.The sub-pix of three kinds of colors is set in pixel cell, and the sub-pix of three kinds of colors is red sub- picture
Plain R, green sub-pixels G and blue subpixels B.In addition, setting available free (dummy) electrode D on the periphery of the display panel.Source
Polar curve S2 connection red sub-pixels R；Source electrode line S2 connection green sub-pixels G；Source electrode line S3 connection blue subpixels B；With such
Push away, source electrode line Sm connection green sub-pixels G；Source electrode line S1 connection blue subpixels B and free poles D；Source electrode line Sdummy connects
Meet blue subpixels B and free poles D.
Voltage, which changes degree, may include：Upset number of times, the amplitude of source voltage and the root of source electrode line upset of source voltage
Number.Correspondingly, in the present embodiment, first voltage, which changes degree, may include：The upset number of times and the width of source voltage of source voltage
Value；Second voltage, which changes degree, may include：The upset number of times and the amplitude of source voltage of source voltage.Then specifically, this step
Including：Detection display panel shows upset number of times and the source of corresponding source voltage during picture to be shown using the first cabling mode
The amplitude of pole tension, and detection display panel show corresponding source voltage during picture to be shown using the second cabling mode
Overturn the amplitude of number of times and source voltage.
Step 202, compare first voltage change degree be more than or less than second voltage change degree, if comparing first
Voltage, which changes degree and is more than when second voltage changes degree, performs step 203, is less than the if comparing first voltage and changing degree
Two voltages perform step 204 when changing degree.
This step is specifically included：The upset number of times for comparing the source voltage in first voltage change degree is more than, be less than or
Person is equal to the upset number of times of the source voltage in second voltage change degree, if comparing the source electrode in first voltage change degree
The upset number of times of voltage is more than the upset number of times of the source voltage in second voltage change degree, then shows to compare first voltage
Change degree is more than second voltage and changes degree；If the upset number of times for comparing the source voltage in first voltage change degree is small
The upset number of times of source voltage in second voltage change degree, then show that comparing first voltage changes degree less than second
Voltage changes degree；If the upset number of times for comparing the source voltage in the first change degree is equal in second voltage change degree
Source voltage upset number of times, then the upset amplitude for comparing the source voltage in first voltage change degree is more than or less than
The upset amplitude of source voltage in second voltage change degree, if comparing the source voltage in first voltage change degree
The upset amplitude for the source voltage that amplitude is more than in second voltage change degree is overturn, then shows that comparing first voltage changes journey
Degree is more than second voltage and changes degree；If the upset amplitude for comparing the source voltage in first voltage change degree is less than second
The upset amplitude of source voltage in voltage change degree, then show that compare first voltage change degree changes less than second voltage
Change degree.
Step 203, according to comparative result control display panel using the second cabling mode and by with the second cabling mode
Corresponding source voltage shows picture to be shown, and flow terminates.
Show to show using the second cabling mode when comparing first voltage and changing degree more than second voltage change degree
Show that the power consumption consumed during picture to be shown is smaller, now changing degree according to first voltage is more than the ratio that second voltage changes degree
The second cabling mode is used compared with output control display panel, and is shown by source voltage corresponding with the second cabling mode and waits to show
Show picture.
Showing the power consumption of picture to be shown includes dynamic power consumption and quiescent dissipation.Wherein, quiescent dissipation is mainly leakage current
Caused power consumption, the leakage current includes subthreshold leakage current, grid leakage current, the reverse-biased leakage current of source electrode, because leakage current can not be kept away
Exempt from, therefore quiescent dissipation can not also be avoided；Dynamic power consumption includes dc switch power consumption PdWith load capacitance power consumption PL, the present embodiment
The power consumption of reduction display picture to be shown can be realized by reducing dynamic power consumption.The calculation formula of dc switch power consumption is：Pd
=α fCV2, wherein, α is switching coefficient (number of generating state change device in each clock cycle), and C is display
The load capacitance of panel, f for drive circuit working frequency (for example：60Hz), V for drive circuit operating voltage (and：Source electrode
Voltage).It is can be seen that from the calculation formula of above-mentioned dynamic power consumption because f and C is parameter set in advance, therefore PdWith α V2
It is directly proportional；The calculation formula of load capacitance power consumption is：PL=VI, wherein, I is the electric current for flowing through thin film transistor (TFT).
In summary, the power consumption P=P of picture to be shown is shownS+PD=PS+Pd+PL, wherein, PSFor quiescent dissipation, PDFor
Dynamic power consumption.
In the present embodiment, using picture to be shown as R255 pictures (i.e.：Pure red picture) exemplified by be described.
Fig. 5 is the schematic diagram of the corresponding source voltage of the first cabling mode in Fig. 3, as shown in Figure 3 and Figure 5, to display
R255 pictures, the dc switch power consumption P of a pixeldInclude the dc switch power consumption of three sub-pixs, three sub-pixs
Dc switch power consumption is respectively Pd1、Pd2、Pd3, wherein, Pd1For the dc switch power consumption of the sub-pix of source electrode line S2 connections, Pd2For
The dc switch power consumption of the sub-pix of source electrode line S3 connections, Pd3For the dc switch power consumption of the sub-pix of source electrode line S4 connections.Pd1
=α fC (Vs1)2=α fC (0)2=0；Pd2=α fC (Vs2)2=1280C (VR)2；Pd3=α
f·C·(Vs3)2=1280C (VR)2；Then Pd=Pd1+Pd2+Pd3=2560C (VR)2。
Fig. 6 is the schematic diagram of the corresponding source voltage of the first cabling mode in Fig. 4, as shown in Figure 3 and Figure 5, to display
R255 pictures, the dc switch power consumption Pd of a pixel includes the dc switch power consumption of three sub-pixs, three sub-pixs
Dc switch power consumption is respectively Pd1, Pd2, Pd3, wherein, Pd1 for the sub-pix of source electrode line S2 connections dc switch power consumption,
Pd2 is the dc switch power consumption of the sub-pix of source electrode line S3 connections, Pd3For the dc switch work(of the sub-pix of source electrode line S4 connections
Consumption.Pd1=α fC (VR)2=C (VR)2；Pd2=α fC (Vs2)2=C (0)2=0；Pd3=α fC
(Vs3)2=C (0)2=0；Then Pd=Pd1+Pd2+Pd3=C (VR)2。
In summary, using in Fig. 3 during the first cabling mode one sub-pix dc switch power consumption PdFor 2560C
(VR)2, using in Fig. 5 during the second cabling mode one sub-pix dc switch power consumption PdFor C (VR)2, therefore use Fig. 5
In the second cabling mode can save 2559C (VR)2.Although dc switch power consumption only accounts for a part for total power consumption, straight
The power consumption saved on stream switching power loss is embodied onto whole display panel, can significantly reduce power consumption.Due to load capacitance
Power consumption PLWith dc switch power consumption PdPositive correlation, therefore, as dc switch power consumption PdLoad capacitance power consumption P during reductionLAlso reduce.
Although dc switch power consumption PdWith load capacitance power consumption PLA part for total power consumption is only accounted for, but in dc switch power consumption PdWith it is negative
Carry capacitive power dissipation PLThe power consumption of upper saving is embodied onto whole display panel, can significantly reduce power consumption.
In the present embodiment, show switching coefficient α reductions when voltage change degree is smaller, so as to reduce power consumption.
Step 204, according to comparative result control display panel using the first cabling mode and by with the first cabling mode
Corresponding source voltage shows picture to be shown, and flow terminates.
Show to show using the first cabling mode when comparing first voltage and changing degree less than second voltage change degree
Show that the power consumption consumed during picture to be shown is smaller, now changing degree according to first voltage is less than the ratio that second voltage changes degree
The first cabling mode is used compared with output control display panel, and is shown by source voltage corresponding with the first cabling mode and waits to show
Show picture.
In the display drive method that the present embodiment is provided, detection display panel shows to be shown using different cabling modes
Corresponding voltage changes degree during picture, and the voltage for comparing minimum changes degree, controls display panel to adopt according to comparative result
Change the corresponding cabling mode of degree with the minimum voltage, and pass through and change the corresponding cabling of degree with the minimum voltage
The corresponding source voltage of mode shows picture to be shown, it is achieved thereby that making display panel with relatively low power consumption display different type
Picture, and then greatly reduce the power consumption of display panel.
Fig. 7 is a kind of structural representation for display drive apparatus that the embodiment of the present invention three is provided, as shown in fig. 7, the dress
Put including：Detection module 11, comparison module 12, output module 13 and drive module 14.
Detection module 11 is used to detect that display panel shows corresponding electricity during picture to be shown using different cabling modes
Press change degree.Comparison module 12 is used to compare the size that the voltage detected changes degree.If output module 13 is used to compare
When the voltage that module 12 compares minimum changes degree, output comparative result and source voltage corresponding with the cabling mode.Drive
Dynamic model block 14 is used to control display panel to use cabling mode corresponding with the minimum voltage change degree according to comparative result,
And picture to be shown is shown by the corresponding source voltage of cabling mode corresponding with minimum voltage change degree.
Preferably, the quantity of cabling mode is two, and two cabling modes include the first cabling mode and the second cabling side
Formula.Corresponding first electricity when detection module 11 shows picture to be shown specifically for detection display panel using the first cabling mode
Pressure change degree and detection display panel show that corresponding second voltage changes during picture to be shown using the second cabling mode
Degree.Comparison module 12 changes degree more than or less than second voltage change degree specifically for comparing first voltage.Output
Comparative result of the module 13 specifically for output comparison module 12；If drive module 14 compares specifically for comparison module 12
When one voltage changes degree more than second voltage change degree, display panel is controlled to use the second cabling mode according to comparative result
And picture to be shown is shown by source voltage corresponding with the second cabling mode；And if comparison module 12 compares the first electricity
When pressing change degree less than second voltage change degree, display panel is controlled using the first cabling mode according to comparative result and led to
Cross source voltage corresponding with the first cabling mode and show picture to be shown.
Preferably, detection module 11, comparison module 12 and output module 13 are integrated in application processor (Application
Processor, referred to as：AP in).
Preferably, drive module 14 is integrated in driving chip (Driver IC).Specifically, drive module 14 includes：Open
Sub-module 141 and driving submodule 142.Switching submodule 141 is used to control display panel to use and this according to comparative result
Minimum voltage changes the corresponding cabling mode of degree；Driving submodule 142 is used to pass through source electrode corresponding with the cabling mode
Voltage shows picture to be shown.In the present embodiment, by setting up the submodule that opens the light, cabling mode is selected to display panel to realize
Control.
In the display drive apparatus that the present embodiment is provided, detection display panel shows to be shown using different cabling modes
Corresponding voltage changes degree during picture, and the voltage for comparing minimum changes degree, controls display panel to adopt according to comparative result
Change the corresponding cabling mode of degree with the minimum voltage, and pass through and change the corresponding cabling of degree with the minimum voltage
The corresponding source voltage of mode shows picture to be shown, it is achieved thereby that making display panel with relatively low power consumption display different type
Picture, and then greatly reduce the power consumption of display panel.
The embodiment of the present invention four provides a kind of display device, and the display device includes：Display panel and display driving dress
Put, display panel includes mutually insulated between multiple routing layers, routing layer, each routing layer forms a kind of cabling mode.
Wherein, the specific descriptions to display drive apparatus can be found in embodiment three, and description is not repeated herein.
In the display device that the present embodiment is provided, detection display panel shows picture to be shown using different cabling modes
When corresponding voltage change degree, the voltage for comparing minimum changes degree, according to comparative result control display panel use with
The minimum voltage changes the corresponding cabling mode of degree, and passes through cabling mode corresponding with minimum voltage change degree
Corresponding source voltage shows picture to be shown, it is achieved thereby that making display panel with the relatively low different types of picture of power consumption display
Face, and then greatly reduce the power consumption of display panel.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display drive method, it is characterised in that including：
Detection display panel shows that corresponding voltage changes degree, the cabling during picture to be shown using different cabling modes
Mode is the mode that source electrode line connects sub-pix, and the voltage, which changes degree, includes the upset number of times and source voltage of source voltage
Upset amplitude；
Compare the size that the voltage detected changes degree；
If the voltage for comparing minimum changes degree, the display panel is controlled to use the electricity minimum with this according to comparative result
The corresponding cabling mode of change degree is pressed, and passes through the corresponding source electrode of cabling mode corresponding with minimum voltage change degree
Voltage shows the picture to be shown.
2. display drive method according to claim 1, it is characterised in that the quantity of the cabling mode is two, two
Individual cabling mode includes the first cabling mode and the second cabling mode；
The detection display panel shows that corresponding voltage change degree includes during picture to be shown using different cabling modes：
Detection display panel shows that corresponding first voltage changes degree during picture to be shown and detection is aobvious using the first cabling mode
Show that panel shows that corresponding second voltage changes degree during the picture to be shown using the second cabling mode；
The size for comparing the voltage change degree detected includes：Compare the first voltage change degree to be more than or small
Change degree in the second voltage；
If the voltage for comparing minimum changes degree, the display panel is controlled to use and the minimum according to comparative result
Voltage change the corresponding cabling mode of degree, it is and corresponding by changing the corresponding cabling mode of degree with the minimum voltage
Source voltage shows that the picture to be shown includes：Change if comparing the first voltage and changing degree more than the second voltage
During change degree, control the display panel using the second cabling mode according to comparative result and by with second cabling mode
Corresponding source voltage shows the picture to be shown；And if comparing the first voltage change degree less than described second
When voltage changes degree, the display panel is controlled using the first cabling mode and by being walked with described first according to comparative result
The corresponding source voltage of line mode shows the picture to be shown.
3. display drive method according to claim 2, it is characterised in that first cabling mode is in display panel
Each source electrode line connection different colours sub-pix mode, second cabling mode be display panel in each source electrode
The mode of the sub-pix of line connection same color.
4. display drive method according to claim 1, it is characterised in that the voltage detected that compares changes degree
Size include：Compare the upset that display panel shows corresponding source voltage during picture to be shown using different cabling modes
The size of number of times；Or, compare display panel and corresponding source voltage during picture to be shown is shown using different cabling modes
Upset number of times size, if compare display panel shows corresponding source electrode during picture to be shown using different cabling modes
The upset number of times of voltage is identical, compares display panel and shows corresponding source electrode electricity during picture to be shown using different cabling modes
The size of the upset amplitude of pressure；
The voltage for comparing minimum, which changes degree, to be included：Compare the upset number of times of the source voltage of minimum；Or, if than
Relatively go out the identical of the upset number of times that display panel uses different cabling modes to show corresponding source voltage during picture to be shown,
Compare the upset amplitude of the source voltage of minimum.
5. a kind of display drive apparatus, it is characterised in that including：
Detection module, corresponding voltage changes during for detecting that display panel shows picture to be shown using different cabling modes
Degree, the cabling mode is the mode that source electrode line connects sub-pix, and the voltage, which changes degree, includes the upset of source voltage
The upset amplitude of number of times and source voltage；
Comparison module, the voltage detected for comparing changes the size of degree；
Output module, if for the comparison module compare minimum voltage change degree, output comparative result and with this
The corresponding source voltage of cabling mode；
Drive module, degree pair is changed for controlling the display panel to use according to the comparative result with the minimum voltage
The cabling mode answered, and show described by the corresponding source voltage of cabling mode corresponding with minimum voltage change degree
Picture to be shown.
6. display drive apparatus according to claim 5, it is characterised in that the quantity of the cabling mode is two, two
Individual cabling mode includes the first cabling mode and the second cabling mode；
The detection module using the first cabling mode specifically for detection display panel corresponding the when showing picture to be shown
One voltage changes degree and detection display panel is shown corresponding second during the picture to be shown using the second cabling mode
Voltage changes degree；
The comparison module changes degree specifically for relatively more described first voltage and changed more than or less than the second voltage
Degree；
Comparative result of the output module specifically for the output comparison module；
If the drive module compares the first voltage specifically for the comparison module changes degree more than described second
When voltage changes degree, the display panel is controlled using the second cabling mode and by being walked with described second according to comparative result
The corresponding source voltage of line mode shows the picture to be shown；And if the comparison module compares the first voltage and changed
When change degree is less than second voltage change degree, the display panel is controlled to use the first cabling mode according to comparative result
And the picture to be shown is shown by source voltage corresponding with first cabling mode.
7. display drive apparatus according to claim 5, it is characterised in that the detection module, the comparison module and
The output module is integrated in application processor.
8. display drive apparatus according to claim 5, it is characterised in that the drive module includes：
Submodule is switched, degree is changed with the minimum voltage for controlling the display panel to use according to the comparative result
Corresponding cabling mode；
Submodule is driven, for showing the picture to be shown by source voltage corresponding with the cabling mode.
9. a kind of display device, it is characterised in that including：Display drive apparatus described in display panel and claim 5；
The display panel includes mutually insulated between multiple routing layers, routing layer, and each routing layer forms a kind of cabling mode.
10. display device according to claim 9, it is characterised in that the quantity of the routing layer is two, two cablings
Layer includes the first routing layer and the second routing layer, the first cabling mode of the first routing layer formation, the second routing layer shape
Into the second cabling mode；
The display drive apparatus is using the display drive apparatus described in claim 6.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575081.2A CN105047123B (en) | 2015-09-10 | 2015-09-10 | Display drive method, display drive apparatus and display device |
| US15/326,123 US10096280B2 (en) | 2015-09-10 | 2016-02-16 | Display driving method, display driving device and display device |
| PCT/CN2016/073840 WO2017041437A1 (en) | 2015-09-10 | 2016-02-16 | Display drive method, display drive device, and display device |
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| CN201510575081.2A CN105047123B (en) | 2015-09-10 | 2015-09-10 | Display drive method, display drive apparatus and display device |
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| CN105047123B (en) * | 2015-09-10 | 2017-10-17 | 京东方科技集团股份有限公司 | Display drive method, display drive apparatus and display device |
| CN106502474B (en) * | 2017-01-12 | 2019-04-26 | 京东方科技集团股份有限公司 | A kind of array substrate and display panel |
| CN107506076B (en) * | 2017-08-10 | 2019-05-14 | 京东方科技集团股份有限公司 | A kind of touch display substrate, manufacturing method and display device |
| CN111462709B (en) * | 2020-05-13 | 2022-04-26 | 京东方科技集团股份有限公司 | Display panel driving device and method and display panel |
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| CN105047123A (en) | 2015-11-11 |
| WO2017041437A1 (en) | 2017-03-16 |
| US20170229057A1 (en) | 2017-08-10 |
| US10096280B2 (en) | 2018-10-09 |
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